Photovoltaic combiner box installation manual

How do you connect a solar inverter to a combiner box?

Open the combiner box cover. Install conduits, as required by local regulations. Maximum supported conduit diameter - 32 mm. Connect the DC cables from the combiner box to the inverter. Connect DC cables from PV strings and batteries (if installed) to the terminal blocks, as shown below. symbol.

What should I know before installing a solar combiner box?

Don't install the box where it is accessible to children. Properly maintain all equipment in your solar system. Check all wiring, batteries, inverters and charge controllers. Do not install combiner box alone. Ensure someone is within close range when working with any type of electrical equipment.

How do I connect a PV breaker to a combiner box?

PV output breaker must be in the OFF position before making any connections to combiner box. Connect earth ground before any other connection Make sure all output connections are properly fastened to the combiner box and device. PV input connection should be made last.

How do you install a combiner box?

Mount the combiner box and secure it with four screws, as shown below. Use 4–10 mm2, 600 V insulated cables. Strip 8 mm of cable insulation. Ground the combiner box by connecting it to the inverter. Use the grounding points marked with the Open the combiner box cover. Install conduits, as required by local regulations.

What is a solar combiner box?

It is ideal for larger solar arrays/high current systems, easing the hassle of dealing with several wires and combines all wires into one place for simple installation and maintenance. The combiner box eliminates the need for extra equipment such as output breakers and disconnect switches.

Which combiner box is suitable for a large volume solar plant?

Note:... Page 6 ATESS PV - CB series outdoor combiner box is designed especially for large volume solar plant application, it is suitable to be used together with ATESS central inverters in a solar plant solution .